Improvement in tanners  flesh-blacking



UNITED STATES PHILIP HAVl LL AND DAVID PATENT OFFICE.

GURRAN, OF ROSOOE, OHIO.

IMPROVEMENT IN TANNERS FLE SH-BLACKING.

Specification forming part of Letters Patent No. 3,!44, dated June 24, 1843.

To all who-m u? may concern;-

tannersltlesh-blackin g, take of gum-tragacanth four ounces, softened in a half-pint of warm water and beat to the consistency of starch;

then take of whisky three gills, and of vinegar one gill, spirits of turpentine two tea-spoonfuls, and of superior lamp'black five ounces.

Mix thoroughly together. Then take'of oakbark about a pound and a half, black oak and quercitro'n being the best of iron filings from one to one and ahalf ounce-or, equally well, of clean scales from the blacksmiths anvil, from one-fourth to halt" a pound-and water one gallon. Boil thewhole together for half an hour; then strain and add hot water sulficient to make the quantityof the decoction within one pint of a gallon. Lastly, while the above decoction is hot, add the solutions of. tragacanth and lamp-black before mentioned. Stir well together, and when cool it is fit for use in the same manner and mode in which the common hlacking is used by good mechanics With the exception of the lamp-black, neither of the above-named ingredients have, as

we believe, entered into the composition of tanners flesh-hlaokin g, nor has any com pound been so used possessing the same good prop erties.

We therefore claim as of our invention and desire to secure by Letters Patent- The combining of these ingredients in the manner and in the proportions above made known, or nearly in said proportions, for the purpose of making or manufacturing tanners flesh-mucking, which tanners fiesh-hlacking, when made of said materials, we denominate Havill & ()urrans Tanners Flesh-Blacking.

P. HAVILL.

t DAVID OURRAN. Attest:

Ge R. LITTLE,

J. S. FERGUSON. 

